【单选题】
Which term refers to the electromagnetic interference that can radiate from network cables？___
A. Gaussian distributions
B. Doppler waves
C. emanations
D. multimode distortion
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相关试题
【单选题】
How does a zone pair handle traffic if the policy de fination of the zone pair is missing?___
A. It inspects all traffic.
B. It drops all traffic.
C. It permits all traffic wihtout logging
D. It permits and logs all traffic
【单选题】
default how does a zone based firewall handle traffic to add from the self zone？___
A. It permits all traffic without inspection
B. It inspects all traffic to determine how it is handled
C. It permits all traffic after inspection
D. It frops all traffic
【单选题】
Which command should beused to ena ble AAA Authentication to determine if a user can access the privilege command level？___
A. aaa authentication enable local
B. aaa authentication enable level=
C. aaa authentication enable method de fault
D. aaa authentication enable defa ult local
【单选题】
On an ASA， the policy indicates that traffic should not be translated is often referred to as which of the following？___
A. NAT zero
B. NAT forward
C. NAT nul
D. NAT allow
【单选题】
Which protocol offers data Integrity encryption， authentication， and anti-replay functions for IPSec VPN？___
A. ESP protocol
B. IKEv3 Protocol
C. AH protoco
D. IKEv1 Protocol
【单选题】
Which component offers a variety of security Solution， including firwall， IF Antivirus and antiphishing features？___
A. Cisco loS router
B. Cisco ASA 5500 Ser ies security appliance
C. Cisco ASA 5500 X series Next Gen Security appliance
D. Cisco 4200 series IPS appliance
【单选题】
Refer to the exhibit， A Network Secur ity administrator check the ASa firewall NAT policy table rith show nat command， which statement is fails？___
A. There are only reverse translation matches for the REAL SERvER object
B. First policy in the Section 1 is a dynamic nat entry defined in the object configuration
C. NAT policy in section 2 is static entry de fined in the object configuration
D. Translation in Section 3 used when a connection does not matches any entries in first two sections
【单选题】
What is true of an aSa in transparent mode ?___
A. It supports OSPF
B. It requires an IP address for each interface
C. It requires a management IP address
D. It allows the use of dynamic NaT
【单选题】
What is the effect of the ip scp server enable command？___
A. It references an access list that allows specific SCP servers
B. It allows the router to initiate requests to an SCP server
C. It allows the router to become an SCP server
D. It adds SCP to the list of allowed copy functions
【单选题】
How can you mitigate attacks in which the attacker attaches more than one vLan tag to a packet？___
A. Assign an access VLAN to every active port on the switch
B. Disable Ether Channel on the switch
C. Explicitly identity each VLAN allowed across the trunk
D.
E. nable transparent VTP on the switch
【单选题】
Which technology can you implement to centrally mitigate potential threats when users on your network download files that might be malicious？___
A. Enable file-reputation services to inspect all files that traverse the company network and block files with low reputation scores
B. Verify that the compa ny IpS blocks all known malicious website
C. Verity that antivirus software is installed and up to date for all users on your network
D. Implement URL filtering on the perimeter firewall
【单选题】
What is the most common implementation of PaT in a standard networked environment？___
A. configuring multiple external hosts to join the self zo ne and to communicate with one another
B. configuring multiple internal hosts to communicate outside of the network using the outside interface IP address
C. configuring multiple internal hosts to communicate outside of the network by using the inside interface IP address
D. configuring an any any rule to enable external hosts to communicate inside the network
【单选题】
Which component of a bYod architecture provides aAa services for endpoint access ?___
A. Integrated Services Router
B. access point
C. ASA
D. Identity Services
E. ngine
【单选题】
You are configuring a NAT rule on a Cisco ASA ,Which description of a mapped interface is true?___
A. It is mandatory for all firewall modes
B. It is optional in routed mode
C. It is optional in transparent mode
D. It is mandatory for ide ntity NAT only
【单选题】
Which description of the use of a private key is true ？___
A. The sender signs a message using the receivers private key
B. The sender signs a message using their private key
C. The sender encrypts a message using the receivers private key
D. The receiver decrypts a n15ssage using the sender's private key
【单选题】
Which mechanism does the FireAMP Connector use to avoid conflicts with other security applications such as antivirus products ?___
A. Virtualization
B. Containers
C. Sandboxing
D.
E. xclusions
【单选题】
Which network to pology de scribes multiple LANS in a gec? ___
A. SOHO
B. MAN
C. pan
D. CAN
【单选题】
Which statement represents a difference between an access list on an aSa versus an access list on a router？___
A. The asa does not support number access lists
B. The aSa does not support standard access list
C. The asa does not ever use a wildcard mask
D. The asa does not support extended access lists
【单选题】
Which command do you enter to verify the status and settings of an iKE Phase 1 tunnel？___
A. show crypto ipsec as output
B. show crypto isakmp
C. show crypto isakmp policy
D. show crypto ipsec transform
【单选题】
Which feature can help a router or switch maintain packet forwarding and protocol states despite an attack or heavy traffic load on the router or switch？___
A. service Policy
B. Control Plane Policing
C. Policy Map
D. Cisco
E. xpress
F. orwarding
【单选题】
Which STP feature can prevent an attacker from becoming the root bridge by immediately shutting down the interface when it receives a BPDU？___
A. root guard
B. Port Fast
C. BPDU guard
D. BPDU filtering
【单选题】
Which technology can best protect data at rest on a user system？___
A. full-disk encryption
B. IPsec tunnel
C. router ACL
D. network IPS
【多选题】
Which two primary security concerns can you mitigate with a BYOD solution ？___
A. schedule for patching the device
B. securing access to a trusted corporate network
C. compliance with applicable policies
D. connections to public Wi-Fi networks
E. device tagging and invento
【多选题】
choose five___
A. MD5————————inserure
B. DES————————insercure
C. SDES———————legacy
D. SHA-1———————legacy
E. HMAC-MD5—————legacy
【多选题】
Which two characteristics of symmetric encryption are true？___
A. It uses digital certificates
B. It requires more resources than asymmetric ancryption
C. It uses the same key to enctypt and decrupt traffic
D. It uses a public key and a pricate key to encrypt and decrypt traffic.
E. It is faster than asymmetric encryption
【多选题】
which two characteristics of PVLAN are true？___
A. Promiscuous porta can communicate with PVLAN ports.
B. Isolated ports cannot communicate with other ports on the same VLAN
C. Community ports have to be a part of the trunk.
D. They require VTP to be enabled in server mode
E. PVLAN ports can be configured as Ether Channel ports
【多选题】
What are two options for running Cisco SDM?___
A. Running SDM from a mobile device
B. Running SDM from within CiscoWorks
C. Running SDM from a router's flash
D. Running SDM from the Cisco web porta
E. Running SDM from a PC
【多选题】
Which two options are the primary deployment modeles for mobile device management？___
A. multisite
B. cloud-based
C. on premises
D. hybrid cloud basedo
E. single site
【多选题】
Drag the recommendation on the left to the Cryptographic algorithms on the right， Options will be used more than once.___
A. Avoid——————————————DES，MD5
B. Legacy——————————————SDES，SHA1，HMAC-MD5
【多选题】
Which two are valid types of vLans using PVLANS ?___
A. Community VLAN
B. Backup VLAN
C. Secondary VLAN
D. Isolated VLAN
E. Isolated VLAN
【多选题】
Which two commands are used to implement Resilient lOS Configuration ___
A. Secure boot-config
B. copy running-config tftp
C. copy flash:ios bin tftp
D. copy running-config startup-config
E. secure boot-image
【多选题】
Which two types of firewalls work at layer 4 and above ？___
A. Stateful inspection
B. Network Address Translation
C. Circuit-Level gateway
D. Static packet filter
E. Application Level firewall
【多选题】
Which two default settings for port security are true ？___
A. Violation is Protect
B. Violation is Restrict
C. Violation is Shutdown
D. Maximum number of MAC addresses is 2
E. Maximum number of MAC addresses is 1
【多选题】
Which two are characteristics of RADIUS？___
A. Uses UDP ports 1812 /1813
B. Uses TCP port 49
C. Uses UDP port 49
D.
E. ncrypts only the password between user and server
【多选题】
When setting up a site-to-site VPN with PSK authentication on a Cisco router， which two elements must be configured under crypto map？___
A. pfs
B. nat
C. reverse route
D. peer
E. transform-set
【多选题】
When using the Adaptive Security Device Manager（ASDM), which two options are available to add a new root certificate？___
A. Install from SFTP server
B. Usehttps
C. Install from a file
D. Use LDAP
E. Use SCEP
【多选题】
Which two SNMPv3 services support its capabilities as a secure networ k manage protocol？ ___
A. access control
B. the shared secret key
C. authentication
D. authorization
E. accounting
【多选题】
Which two statements about routed firewall mode are true ？___
A. The firewall acts as a routed hop in the network
B. This mode conceals the presence of the firewall
C. The firewall requires a unique iP address for each interface
D. This mode allows the firewall to be added to an existing networ k with minimal additional configuration By default， this mode permits most traffic to pass throug
【多选题】
Which two statements describe DHCP spoofing attacks？___
A. They are used to perform man-in- the-middle attacks
B. They can access most network devices
C. They can modify the flow of traffic in transit. LNGKAIG
D. They protect the identity of ti attacker by masking the DHCP address
E. They can physically modify the network gateway
【多选题】
Which two types of VLANs using PVLANs are valid？___
A. isolated
B. promiscuous
C. backup
D. secondary
E. community
推荐试题
【单选题】
雨刷的工作速度有：___
A. A低速和高速
B. B只有一个速度
C. C低速，中速，高速
D. D连续可调
【单选题】
机翼防冰关断valve何时关闭？___
A. A发动机故障时
B. B失去供电或探测到泄漏时
C. C使用防冰时，交输引气valve故障
D.
【单选题】
由气源系统热空气提供防冰保护的缝翼是：___
A. A缝翼1，2，4
B. B缝翼2，3，4
C. C外侧的三个前缘缝翼
D. D所有的缝翼
【单选题】
机翼防冰关断valve是由谁控制的：___
A. A一个机翼防冰按钮
B. B两个机翼防冰按钮
C. C自动
D.
【单选题】
机翼防冰显示在ECAM上的哪个位置？___
A. AECAM引气页面无机翼防冰系统显示
B. B当机翼防冰按钮被按下时，在ECAM引气页面上显示白色“ANTI-ICE”（防冰）字样
C. C当机翼防冰按钮按下且valve打开时，ECAM引气页面上的一个绿色箭头
D. D以上B和C
【单选题】
在地面，大翼防冰按钮在开位时，会发生什么？___
A. A大翼防冰valve不打开
B. B大翼防冰valve打开30秒
C. C大翼防冰valve保持打开
D.
【单选题】
大翼防冰按钮ON灯亮表示：___
A. A防冰valve打开
B. B按钮设置在开位
C. CFAULT（失效）灯灭
D.
【单选题】
失去供电时，发动机防冰valve：___
A. A在发动机停车时打开
B. B在发动机工作时打开
C. C在发动机工作时关闭
D. D一直保持关闭
【单选题】
无气源供应时，发动机防冰valve：___
A. A弹簧保持在关位
B. B弹簧保持在开位
C. C保持原位
D. D可能开也可能关
【单选题】
发动机工作时，一个发动机防冰电门被选择，什么时候FAULT灯会短时点亮？___
A. Avalve打开期间
B. Bvalve关闭期间
C. CA和B
D. D飞机在地面时
【单选题】
一台WHC失效时，是否会被另一台计算机取代？___
【单选题】
在干风挡上，雨刷系统：___
A. A可用来清洁风挡
B. B不能使用
C. C自动不工作
D. D可以正常使用
【单选题】
WhenistheTATprobeheated?___
A. A.Inflight,notonground
B. B.Onground,notinflight
C. C.Inicingconditionsonly
D. D.Normalheatinginflight,lowheatingonground
【单选题】
Whenisthepitotprobeheated?___
A. A.Inflight,notonground
B. B.Onground,notinflight
C. C.Inicingconditionsonly
D. D.Normalheatinginflight,lowheatingonground
【单选题】
WhathappensincaseofaWHCfailure?___
A. A.ThefailedWHCconnectstotheother
B. B.Bothsystemsarelost
C. C.Theheatingoftherelatedsideislost
D. D.Nothinghappens
【单选题】
WhathappenswhentheEIUpowersupplycircuitbreakersarepulled?___
A. A.Nothinghappens
B. B.Thewindshieldheatingiscutoff
C. C.Thewindshieldandwindowsareheated
D.
【单选题】
254.(A320)探头加温计算机PHC位于___
A. A.A，机头下部电子舱
B. B.B，驾驶舱
C. C.C，后电子设备架
D. D.D，货舱
【单选题】
255.(A320)探头加温计算机和窗加温计算机分别有几个___
A. A.A．3,2
B. B.B．2，2
C. C.C．2，1
D. D.D．1，1
【单选题】
256.(A320)雨刷的工作速度有：___
A. A.低速和高速和不连续
B. B.B只有一个速度
C. C.C低速，中速，高速
D. D.D连续可调
【单选题】
257.(A320)在干风挡上，雨刷系统___
A. A.测试时可以使用
B. B.B,除非弄湿风挡,否则不得使用.
C. C.C,当调节雨刮刮水器时可以使用,
D. D.D,以上说法都不对
【单选题】
258.(A320)每个雨刷是怎么控制的:___
A. A.由一个4位旋钮
B. B.由一个旋钮
C. C.C.自动地,根据气象状况
D. D.D.人工无法控制
【单选题】
259.(A320)当按钮设置AUTO位时，探头加温何时自动开始：___
A. A.A地面不加温，但离地时自动加温
B. B.发动机起动后以高温加温
C. C.C人工选择高温前，以低热加温
D. D.D任一台发动机起动后低热，离地后正常加温
【单选题】
260.(A320)发动机运转时,风挡加温说法正确的是:___
A. A.A,如果风挡控制按钮没有接通,则不加温
B. B.B,风挡加温启动,无论按钮电门处于什么位置
C. C.C,不是由WHC控制风挡加温
D. D.D,以上说法都不对
【单选题】
261.(A320)飞机防冰各子系统中不需要计算机或控制器去实现工作控制的是：___
A. A.机翼及发动机防冰系统
B. B.风挡和窗加温
C. C.C,探头加温
D. D.D,排水口加温DRAINMAST
【单选题】
262.(A320)飞机机翼防冰是对：___
A. A.A，前缘缝翼和后缘襟翼
B. B.B，后缘襟翼
C. C.C，前缘外侧3，4，5号缝翼
D. D.D，副翼
【单选题】
263.(A320)飞机通电后,当发动机EIU(发动机接口组件)供电电路跳开关拔出时,则___
A. A.A．风档和侧窗都不加温
B. B.B．风档不加温,侧窗加温
C. C.C．风档加温,侧窗不加温
D. D.D．风档和侧窗都加温
【单选题】
264.(A320)关于风挡加温的说法错误的是___
A. A.A，发动机开车时，则风挡加温开始工作
B. B.风挡加温可在任何时候通过探头风挡加温按钮选择接通
C. C.C，左右侧的固定窗不需要防冰加温
D. D.D，驾驶舱左侧和右侧风挡窗加温是两套独立的系统
【单选题】
265.(A320)关于风挡加温计算机的测试说法正确的是：___
A. A.A，测试时需要将控制面板上探头/风挡加温控制电门松出
B. B.B，测试需要从CDU进入CFDS相应WHC选项
C. C.C，1号WHC和2号WHC2的测试需要单独进行
D. D.D，以上说法均正确
【单选题】
266.(A320)机翼防冰按钮上ON灯何时亮？___
A. A.A防冰valve打开时
B. B.B按钮置于ON位时
C. C.C失效灯灭时
D. D.D.一直不亮
【单选题】
554.(A320)以下关于机翼防冰说法错误的是：___
A. A.A，关于机翼防冰的故障显示是在CFDS客舱温度控制的class3faults页面
B. B.B，没有CFDS记录故障情况报告
C. C.C，如果机翼防冰故障则控制按钮上的FAULT灯点亮
D. D.D，任何一个防冰valve故障都会点亮防冰控制按钮上的故障灯
【单选题】
555.(A320)由气源系统热空气提供防冰保护的缝翼是：___
A. A.A缝翼1，2，4
B. B.B缝翼2，3，4
C. C.外侧的三个前缘缝翼
D. D.D所有的缝翼
【单选题】
556.(A320)一旦一个WHC失效,会发生什么?___
A. A.另一个WHC完全替代工作
B. B.窗加温自动工作
C. C.两套系统都失去功能
D. D.相应侧的加温失去
【单选题】
557.(A320)1号WHC控制器防冰保护的风挡及窗是___
A. A.A，左侧风挡，左侧活动窗，左侧固定窗
B. B.B，左侧风挡，左侧活动窗，右侧固定窗
C. C.C，左侧风挡，右侧活动窗，左侧固定窗
D. D.D，左侧风挡，右侧活动窗，右侧固定窗
【单选题】
558.(A320)电加温被提供用于保护：___
A. A.仅皮托管和迎角探头
B. B.B仅皮托管和大气总温探头
C. C.大气总温探头，迎角探头
D. D.皮托管，静压口，大气总温探头，迎角探头
【单选题】
559.(A320)发动机工作时，一个发动机防冰电门被选择，什么时候FAULT灯会短时点亮？___
A. A.Avalve打开期间
B. B.Bvalve关闭期间
C. C.CA和B
D. D.D飞机在地面时
【单选题】
560.(A320)飞机饮用水和废水排水管路的加温是在：___
A. A.A，空中才加温
B. B.B，地面不能加温
C. C.C，发动机起动后加温
D. D.D，只要飞机供电就进行加温
【单选题】
561.(A320)关于废水排放口(drainmasts)加热,下列哪一项的说法不正确:___
A. A.DrainMasts内有过热电门可防止过热
B. B.每个废水排放口都有一个控制器来控制
C. C.在驾驶舱内有控制电门可以控制废水排放口的加热
D. D.废水排放口内的温度传感器把温度信号反馈给控制器
【单选题】
562.(A320)机翼防冰关断valve是由谁控制的：___
A. A.A一个机翼防冰按钮
B. B.两个机翼防冰按钮
C. C.C由同侧发动机防冰按钮同时控制
D. D.没有按钮控制
【单选题】
563.(A320)空中飞行时，大翼防冰系统的热空气源___
A. A.A，只能是本侧的发动机引气提供
B. B.B，左右发动机引气共同供给
C. C.C，可以单独使用左侧或右侧发动机引气
D. D.D，以上说法均错误
【单选题】
564.(A320)如果风挡正常使用的传感器故障，需要转接到备用传感器，则___
A. A.A，在相应风挡上将传感器的插钉改接使用备用传感器
B. B.B，在CDU上进入CFDS页面设置
C. C.C，在控制器WHC上进行转接选择
D. D.D，故障后自动转接到备用传感器
